This article lists the heads of state of the United States of Indonesia, a short-lived federal state which existed from 17 December 1949 to 17 August 1950. The heads of state held different titles depending upon their constituent state. Each constituent state had the same head of state throughout the short existence of the federation.
This list does not include autonomous and unrecognized regions.
State Name Title Term of office Duration United States of Indonesia Sukarno President 17 December 1949 17 August 1950 Republic of Indonesia Assaat Acting President 27 December 1949 15 August 1950 State of East Indonesia Tjokorda Gde Raka Soekawati President 24 December 1946 17 August 1950 State of Pasundan Wiranatakusumah V Wali Negara 24 April 1948 10 February 1950 State of East Sumatra Tengku Mansur Wali Negara 29 January 1948 17 August 1950 State of South Sumatra Abdul Malik Wali Negara 28 December 1948 18 March 1950 State of East Java Achmad Kusumonegoro Wali Negara 1 December 1948 9 March 1950 State of Madura Tjakraningrat XII Wali Negara 20 February 1948 1 February 1950
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